#include<iostream>
using namespace std;

const int N=1e5+10;
typedef long long ll;
ll arr[N];
ll n, m;
ll fun(int x)
{
	ll ret=0;
	for(int i=1; i<=n; i++)
	{
		ret+=(arr[i]/x);
	}
	return ret;
}
int main()
{
	cin>>n>>m;
	for(int i=1; i<=n; i++) 
	{
		cin>>arr[i];
	}
	ll l=0, r=1e9;
	while(l<r)
	{
		ll mid=l+(r-l+1)/2;
		if(fun(mid) >= m) l=mid;
		else r=mid-1; 
	}
	cout<<l;
	return 0;
}
